#include <iostream>
using namespace std;

class A {
public:
    A(int a)
        :_a1(a)
        ,_a2(_a1)
    {}
    void Print() {
        cout << _a1 << " " << _a2 << endl;
    }
private:
    int _a2;
    int _a1;
};
int main() {
    A aa(1);
    aa.Print();
}